US8152194B1ActiveUtility

Utility trailer security device

Assignee: LANDGRAF LARRYPriority: Feb 4, 2010Filed: Feb 4, 2010Granted: Apr 10, 2012
Est. expiryFeb 4, 2030(~3.5 yrs left)· nominal 20-yr term from priority
Y10T70/554Y10T70/5982Y10T70/441Y10T70/443Y10T70/40Y10T70/5562Y10T70/30B60D 1/60Y10T70/5566Y10T70/413Y10T70/5867Y10T70/333Y10T70/392Y10T70/437Y10T70/439
62
PatentIndex Score
7
Cited by
18
References
1
Claims

Abstract

An object of this invention is to provide a way for a person to lock and secure the hitch of an unhitched utility trailer. Another object of this invention is to allow a person to keep an unhitched utility trailer from being stolen when the utility trailer is not hooked to a truck hitch.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. A utility trailer security device comprising:
 a base; 
 a first prong, second prong, and third prong, each prong being constructed from a spring wire member, each prong being fixedly attached to an edge of a circumference of said base, wherein a free end of each prong projects upward from the base and curls towards a center of the base, the prongs are used to clamp said base to a tow ring; the first prong is longer than the second and third prong, the free end of the first prong forms a hook-shape effective for hanging the base when the second and third prongs are not snapped around the tow ring; 
 a locking post having a first end and a second end, said second end fixedly attached to a center of said base, said first end has a hole, 
 a top plate with an aperture disposed at a center of the top plate, wherein said locking post is inserted through the aperture, said top plate sits on a top side of said tow ring; and 
 a key lock comprising a locking pin mechanism, said locking pin mechanism is inserted through an aperture within said locking post to lock said base and said top plate to one another and secure said tow ring.

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